Plessas, Stavros, Kollopoulos, Dionysios, Kourkoutas, Ylannis, Psarianos, Constantinos, Alexopoulos, Athanasios, Marchant, Roger, Banat, Ibrahim and Koutinas, Athanasios A. (2008) Upgrading of discarded oranges through fermentation using kefir in food industry. FOOD CHEMISTRY, 106 (1). pp. 40-49. [Journal article]
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Upgrading of orange pulp suspension by enrichment with kefir was investigated and the effects of initial sugar concentration, pH, aeration and the addition of molasses on kefir growth were monitored. Higher maximum growth rate mu(max) for kefir was observed when initial sugar used was 75 g/l. Both 75 g/l and 90 g/l initial sugar contents of kefir resulted in higher final biomass concentration and daily biomass productivity. At an initial sugar concentration > 75 g/l, however, high residual sugar and ethanol concentrations were observed. Air flow rate and pH affected kefir's p while the addition of molasses had no effect on growth. Potential application of upgraded orange pulp in bread-making was examined. Bread produced by immobilized kefir on orange pulp had an improved aromatic profile in comparison with bread produced by baker's yeast, and preliminary sensory evaluation of the produced bread was acceptable. (c) 2007 Elsevier Ltd. All rights reserved.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences > School of Biomedical Sciences|
|Research Institutes and Groups:||Biomedical Sciences Research Institute|
Biomedical Sciences Research Institute > Infection and Immunity/Microbiology
Biomedical Sciences Research Institute > Pharmaceutical Science and Practice
|Deposited By:||Professor Roger Marchant|
|Deposited On:||16 Dec 2009 09:32|
|Last Modified:||16 May 2012 11:24|
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